SITRANS P320 Pressure transmitter Differential pressure and flow PN160 HART (4...20 mA) Measuring cell filling: Silicone oil Maximum measuring span: 20 mbar (8.037 inH²O) Oval flange, fastening thread: M10 (PN160), M12 (PN420) Diaphragm: Stainless steel 316L/1.4404, measuring cell: Stainless steel 316L/1.4404; Sensor Differential pressure: process flange: Stainless steel 316/1.4408 Die-cast aluminum housing Dual chamber device Intrinsic safety, Explosion proof, Dust ignition proof zone 21/22 (DIP), increased safety zone 2 2 x 1/2-14 NPT With display (lid with glass window) Cable gland and sealing plug attached, metal Labeling type plate chinese - Pa Ex plate made of stainless steel 1.4404/316L NEPSI (China) Mounting bracket, electrogalvanised steel Valve 1/4-18 NPT, material same as process flanges Measuring range setting: Lower range value (max. 5 characters). Upper range value (max. 5 characters). Unit (mbar. bar. kPa. MPa. psi. ...) Example: -0.5 ... 10.5 psi